The development of machinery automation enables AutoCAD graphics software to practice more universally.Depending on its exclusive advantages, this software has played a very good role in drawing mechanical graphics.Compared to previous traditional manual drawing, CAD drawing owns many advantages, operating speed, dimensional accuracy, and graphic scale and so on in drawing can all be controlled strictly according to the machinery industry standard. After a period of using, technical staff found that AutoCAD graphics software has much room for development,and many places are needed for improvement.